document.write( "Question 208554: On a trip, Sam drove 50 mph for 3 hours and then drove 40 mph for 2 hours. What is Sam's average speed, in mph, for the entire trip? \n" ); document.write( "
Algebra.Com's Answer #157747 by Alan3354(69443)\"\" \"About 
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On a trip, Sam drove 50 mph for 3 hours and then drove 40 mph for 2 hours. What is Sam's average speed, in mph, for the entire trip?
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\n" ); document.write( "he drove 50*3 + 40*2 = 230 miles in 5 hours
\n" ); document.write( "230/5 = 46 mph average
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